> 7 окт. 2020 г., в 04:20, Mark Dilger <mark.dilger@enterprisedb.com> написал(а):
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>
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>> On Oct 5, 2020, at 5:24 PM, Mark Dilger <mark.dilger@enterprisedb.com> wrote:
>>
>> - This version does not change clog handling, which leaves Andrey's concern unaddressed. Peter also showed some
supportfor (or perhaps just a lack of opposition to) doing more of what Andrey suggests. I may come back to this
issue,depending on time available and further feedback.
>
> Attached is a patch set that includes the clog handling as discussed. The 0001 and 0002 are effectively unchanged
sinceversion 16 posted yesterday, but this now includes 0003 which creates a non-throwing interface to clog, and 0004
whichuses the non-throwing interface from within amcheck's heap checking functions.
>
> I think this is a pretty good sketch for discussion, though I am unsatisfied with the lack of regression test
coverageof verify_heapam in the presence of clog truncation. I was hoping to have that as part of v17, but since it is
takinga bit longer than I anticipated, I'll have to come back with that in a later patch.
>
Many thanks, Mark! I really appreciate this functionality. It could save me many hours of recreating clogs.
I'm not entire sure this message is correct: psprintf(_("xmax %u commit status is lost")
It seems to me to be not commit status, but rather transaction status.
Thanks!
Best regards, Andrey Borodin.